aglinxinyuan commented on code in PR #4444:
URL: https://github.com/apache/texera/pull/4444#discussion_r3151741247
##########
amber/src/main/scala/org/apache/texera/amber/engine/architecture/controller/ControllerProcessor.scala:
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@@ -43,8 +43,36 @@ class ControllerProcessor(
val workflowExecution: WorkflowExecution = WorkflowExecution()
val workflowScheduler: WorkflowScheduler =
new WorkflowScheduler(workflowContext, actorId)
+ // The coordinator consumes regions through callbacks rather than reading
Schedule directly.
+ // This cursor tracks the next ranked level to execute and can be reset when
control flow
+ // requests jumping back to the region containing a target operator.
+ private var nextRegionLevel: Option[Int] = None
val workflowExecutionCoordinator: WorkflowExecutionCoordinator = new
WorkflowExecutionCoordinator(
- () => this.workflowScheduler.getNextRegions,
+ () => {
+ Option(this.workflowScheduler.getSchedule)
+ .map { schedule =>
+ if (nextRegionLevel.isEmpty) {
+ nextRegionLevel = Some(schedule.startingLevel)
+ }
+ nextRegionLevel
+ .filter(schedule.levelSets.contains)
+ .map { level =>
+ nextRegionLevel = Some(level + 1)
+ schedule.levelSets(level)
+ }
+ .getOrElse(Set.empty)
+ }
+ .getOrElse(Set.empty)
+ },
+ opId => {
+ Option(this.workflowScheduler.getSchedule).foreach { schedule =>
+ nextRegionLevel = schedule.levelSets.collectFirst {
+ case (level, regions)
+ if regions.exists(_.getOperators.exists(_.id.logicalOpId ==
opId)) =>
+ level
+ }
+ }
+ },
Review Comment:
fixed.
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